Home / 3,281.80-4,529.34-1,955.53

Finding the Fourth Proportional to 3,281.80, 4,529.34 and 1,955.53

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Solution

The fourth proportional to 3,281.80, 4,529.34 and 1,955.53 is: 2,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.80 : 4,529.34 = 1,955.53 : x
  2. Step 2: Convert to fraction form
    3,281.80/4,529.34 = 1,955.53/x
  3. Step 3: Cross multiply
    3,281.80x = 4,529.34 × 1,955.53
  4. Step 4: Simplify right side
    3,281.80x = 8,857,237.60
  5. Step 5: Solve for x
    x = 8,857,237.60/3,281.80
  6. Step 6: Final answer
    x = 2,698.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.